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ziomon: rewrite fcpconf in bash script. #23

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ziomon: rewrite fcpconf in bash script. #23

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128 changes: 66 additions & 62 deletions ziomon/ziomon_fcpconf
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Original file line number Diff line number Diff line change
@@ -1,93 +1,97 @@
#!/usr/bin/perl
#!/bin/bash
#
# FCP adapter trace utility
#
# Script to collect all system information required for analysis
#
# Copyright IBM Corp. 2008, 2017
# Copyright Red Hat Inc. 2017
#
# s390-tools is free software; you can redistribute it and/or modify
# it under the terms of the MIT license. See LICENSE for details.
#

use strict;
use warnings;
use English;
use Cwd;
use File::Temp qw/ tempdir /;
use File::Spec::Functions;
use Getopt::Long;
# s390-tools is free software; you can redistribute it and/or modify it under
# the terms of the MIT license. See LICENSE for details

sub version {
print "$PROGRAM_NAME: version %S390_TOOLS_VERSION%\n";
print "Copyright IBM Corp. 2008, 2017\n";
function version {
echo "$PROGRAM_NAME: version %S390_TOOLS_VERSION%"
echo "Copyright IBM Corp. 2008, 2017"
echo "Copyright Red Hat Inc. 2017"
}

sub usage
{
print <<MSG
function usage {
cat <<EOD
Usage: $PROGRAM_NAME [<options>]

$PROGRAM_NAME collects all system information required for analysis.

Options:

-h, --help
-h, --help
print this help text and exit.

-v, --version
print version information and exit.

-o, --output
specify the name of the output file
MSG
EOD
}

sub dir_content
{
my @temp_dir;
opendir(DH, shift()) or return 0;
@temp_dir = readdir(DH);
closedir(DH);
return @temp_dir;
}
function store_mapper_devices {
dest_dir="$1"
src_dir="$2"

sub store_mapper_devices
{
my $dest_dir = shift();
my $src_dir = shift();
my @entries = grep { ! /^\./ } dir_content($src_dir);
for i in `ls $src_dir`; do
mm=$(stat -L -c%t:%T $src_dir/$i)
m1=$(echo "$mm" | cut -f1 -d':')
m2=$(echo "$mm" | cut -f2 -d':')
printf "%d:%d" 0x$m1 0x$m2 > $dest_dir/$src_dir/$i
done
}

foreach my $map_dev (@entries) {
my $tf = catfile($src_dir, "$map_dev");
my $mm = `stat -L -c%t:%T $tf`;
chomp($mm);
$mm = join(":", map { hex($_) } split(":", $mm));
system("echo $mm > " . catfile($dest_dir, $src_dir, $map_dev));
}
PROGRAM_NAME="$(basename $0)"
OUT_FILE="config"
TMP_DIR=$(mktemp -d tmp.XXXXXX)

function cleanup {
rm -rf $TMP_DIR
}

my $out_file="config";
my $temp_dir = tempdir( CLEANUP => 1);
trap cleanup EXIT

while [[ $# -gt 0 ]]; do
key="$1"

case $key in
-v|--version)
version
exit 0
;;
-h|--help)
usage
exit 0
;;
-o|--output)
OUT_FILE="$2"
shift
shift
;;
*)
echo "Invalid usage !"
usage
exit 1
;;
esac
done

Getopt::Long::Configure(qw/ bundling /);
GetOptions('h|help' => sub {usage(); exit 0;},
'v|version' => sub {version(); exit 0;},
'o|output=s' => \$out_file,
) or do {
print "Invalid usage !\n";
usage();
exit 1;
};
mkdir -p $TMP_DIR/sys/block $TMP_DIR/sys/devices/virtual/block \
$TMP_DIR/sys/class $TMP_DIR/dev/mapper
rsync -a --inplace /sys/block/dm* /sys/block/sd* $TMP_DIR/sys/block 2>/dev/null
rsync -a --inplace --exclude=chpd* /sys/devices/css0 \
$TMP_DIR/sys/devices 2>/dev/null
rsync -a --inplace /sys/devices/virtual/block/dm* \
$TMP_DIR/sys/devices/virtual/block 2>/dev/null
rsync -a --inplace /sys/class/fc_host /sys/class/scsi_device \
/sys/class/scsi_tape /sys/class/scsi_generic \
/sys/class/fc_remote_ports $TMP_DIR/sys/class 2>/dev/null
store_mapper_devices $TMP_DIR "/dev/mapper"
tar -czf $OUT_FILE.cfg -C $TMP_DIR sys dev 2>/dev/null

system("mkdir -p $temp_dir/sys/block");
system("mkdir -p $temp_dir/sys/devices/virtual/block");
system("mkdir -p $temp_dir/sys/class");
system("mkdir -p $temp_dir/dev/mapper");
system("rsync -a --inplace /sys/block/dm* /sys/block/sd* $temp_dir/sys/block 2>/dev/null");
system("rsync -a --inplace --exclude=chpd* /sys/devices/css0 $temp_dir/sys/devices 2>/dev/null");
system("rsync -a --inplace /sys/devices/virtual/block/dm* $temp_dir/sys/devices/virtual/block 2>/dev/null");
system("rsync -a --inplace /sys/class/fc_host /sys/class/scsi_device /sys/class/scsi_tape /sys/class/scsi_generic /sys/class/fc_remote_ports $temp_dir/sys/class 2>/dev/null");
store_mapper_devices($temp_dir,"/dev/mapper");
system("tar -czf $out_file.cfg -C $temp_dir sys dev 2>/dev/null");
exit 0